The diagnostic characteristics of melanoma A reader asked me to look into the claims that sunscreens cause cancer, especially the claims made by Elizabeth Plourde. When our own Scott Gavura evaluated sunscreens, he concluded: The data on sunscreen use and cancer risk are complex, but on balance suggest that the short-term and long-terms benefits of

I had never heard of Dr. Shantaram Kane, a chemical engineer in Mumbai, India. I don’t know how he heard of me, but he apparently knows I am critical of homeopathy. He e-mailed me out of the blue to tell me about a study he had published in 2010 in the journal Homeopathy: “Extreme homeopathic dilutions